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/*
* (C) 1999-2003 Lars Knoll (knoll@kde.org)
* Copyright (C) 2004, 2005, 2006, 2008, 2013 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "CSSImageValue.h"
#include "CSSMarkup.h"
#include "CSSPrimitiveValue.h"
#include "CSSValueKeywords.h"
#include "CachedImage.h"
#include "CachedResourceLoader.h"
#include "CachedResourceRequest.h"
#include "CachedResourceRequestInitiators.h"
#include "DeprecatedCSSOMPrimitiveValue.h"
#include "Document.h"
#include "Element.h"
namespace WebCore {
CSSImageValue::CSSImageValue(URL&& url)
: CSSValue(ImageClass)
, m_url(WTFMove(url))
, m_accessedImage(false)
{
}
CSSImageValue::CSSImageValue(CachedImage& image)
: CSSValue(ImageClass)
, m_url(image.url())
, m_cachedImage(&image)
, m_accessedImage(true)
{
}
CSSImageValue::~CSSImageValue()
{
}
bool CSSImageValue::isPending() const
{
return !m_accessedImage;
}
CachedImage* CSSImageValue::loadImage(CachedResourceLoader& loader, const ResourceLoaderOptions& options)
{
if (!m_accessedImage) {
m_accessedImage = true;
CachedResourceRequest request(ResourceRequest(loader.document()->completeURL(m_url.string())), options);
if (m_initiatorName.isEmpty())
request.setInitiator(cachedResourceRequestInitiators().css);
else
request.setInitiator(m_initiatorName);
if (options.mode == FetchOptions::Mode::Cors) {
ASSERT(loader.document());
request.updateForAccessControl(*loader.document());
}
m_cachedImage = loader.requestImage(WTFMove(request));
}
return m_cachedImage.get();
}
bool CSSImageValue::traverseSubresources(const WTF::Function<bool (const CachedResource&)>& handler) const
{
if (!m_cachedImage)
return false;
return handler(*m_cachedImage);
}
bool CSSImageValue::equals(const CSSImageValue& other) const
{
return m_url == other.m_url;
}
String CSSImageValue::customCSSText() const
{
return serializeURL(m_url);
}
Ref<DeprecatedCSSOMValue> CSSImageValue::createDeprecatedCSSOMWrapper(CSSStyleDeclaration& styleDeclaration) const
{
// NOTE: We expose CSSImageValues as URI primitive values in CSSOM to maintain old behavior.
return DeprecatedCSSOMPrimitiveValue::create(CSSPrimitiveValue::create(m_url, CSSPrimitiveValue::CSS_URI), styleDeclaration);
}
bool CSSImageValue::knownToBeOpaque(const RenderElement* renderer) const
{
if (!m_cachedImage)
return false;
return m_cachedImage->currentFrameKnownToBeOpaque(renderer);
}
} // namespace WebCore
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